Inspiring: Animal Wonders Media Articles
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It sounds like a scene from a Spielberg film: an injured worker undergoes an emergency amputation, performed by one of her colleagues, allowing her to live another day. But this is not a human story – it is behaviour seen in ants. While it is not the first time wound care has been seen in ants, scientists say their discovery is the first example of a non-human animal carrying out life-saving amputations. Surprisingly, the insects appear to tailor the treatment they give to the location of injury. “The ants are able to diagnose, to some extent, the wounds and treat them accordingly to maximise the survival of the injured,” said Dr Erik Frank, from the University of Lausanne. Writing in the journal Current Biology, Frank and colleagues report how they cut Florida carpenter ants (Camponotus floridanus) on their right hind limb, then observed the responses of their nest mates for a week. “Nest mates would begin licking the wound before moving up the injured limb with their mouthparts until they reached the trochanter. The nest mates then proceeded to repeatedly bite the injured leg until it was cut off,” the team wrote. By contrast, no amputations were observed for the nine ants with injuries on their tibia, or lower leg. Instead, these ants received only wound care from their nest mates in the form of licking. “It is another example of an adaptation in the lives of social insect workers in which workers help each other to work for their colony and to help their colony,” [Prof Francis Ratnieks at the University of Sussex] said. “Such as when a worker honeybee makes a waggle dance to direct a nest mate to food, or when a worker sacrifices its life in defence of the colony, or here where workers amputate the limbs of an injured or infected worker.”
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If new evidence emerges of animals’ abilities to feel and process what is going on around them, could that mean they are, in fact, conscious? We now know that bees can count, recognise human faces and learn how to use tools. Prof Lars Chittka of Queen Mary University of London has worked on many of the major studies of bee intelligence. "If bees are that intelligent, maybe they can think and feel something, which are the building blocks of consciousness," he says. Prof Chittka’s experiments showed that bees would modify their behaviour following a traumatic incident and seemed to be able to play, rolling small wooden balls, which he says they appeared to enjoy as an activity. A government review led by Prof Birch in 2021 assessed 300 scientific studies on the sentience of decapods and Cephalopods, which include octopus, squid, and cuttlefish. Prof Birch’s team found that there was strong evidence that these creatures were sentient in that they could experience feelings of pain, pleasure, thirst, hunger, warmth, joy, comfort and excitement. The conclusions led to the government including these creatures into its Animal Welfare (Sentience) Act in 2022. Prof [Kristin] Andrews was among the prime movers of the New York Declaration on Animal Consciousness signed earlier this year, which has so far been signed by 286 researchers. The short four paragraph declaration states that it is “irresponsible” to ignore the possibility of animal consciousness.
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A penguin has become a ‘guide-bird’ for a fellow African Penguin with poor eyesight, escorting her around their enclosure to get food and build confidence. The animal helper named ‘Penguin’ has bonded with ‘Squid’ the three-year-old that suffers from cataracts, a debilitating condition that clouds the lens of the eye. Squid is often disoriented during busy feeding times and relies on Penguin’s “unwavering calmness”. Penguin has become Squid’s beacon, guiding her around the enclosure and acting as her ‘eyes’. The hand-reared birds are now inseparable—to the delight of their human keepers at Birdworld who are sharing their remarkable relationship. “The intuitive behavior observed between Penguin and Squid has revealed a remarkable level of empathy and understanding, showcasing the profound connections that can form within the animal kingdom,” said Polly Branham a spokesperson for the aviary in Surrey, England. Having been nurtured within the colony, Squid honed her skills alongside her peers—learning the essence of being a penguin—but she used to be quite anxious about approaching the fish bucket at feeding time. “The excitement of the other penguins created a more unpredictable environment, and she would shy away from this for fear of getting caught in the crossfire of beaks,” explained Branham. “That is how Penguin has been such an enormous help to her. “His stability was something she could rely on.”
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The rich tapestry of life on Earth is fraying, due in large part to human-caused habitat loss and climate change. As more species disappear, researchers are racing to track this global decline in biodiversity to understand its consequences and counteract it through conservation initiatives. Those efforts rely on accurate animal monitoring, which can be difficult, time-consuming and costly. Now, in new research published in the journal iScience, researchers present evidence for a new low-cost, noninvasive tool that can be used to monitor animals: spiderwebs. They're using environmental DNA, or eDNA, which is simply different creatures' DNA just lying around in the environment. Previous work showed that webs are good sources of insect DNA, including what spiders are gorging on. But [evolutionary biologist Morton] Allentoft and [student Josh] Newton wanted to see whether the webs were also trapping DNA from vertebrate animals. So Newton ... collected spiderwebs. Back in the lab, Newton amplified the small amounts of DNA from the webs. They were filled with genetic material from animals. "It was wonderful," says Allentoft. "We could see these kangaroos [and] wallabies." There were nine other mammals, 13 species of birds, the motorbike frog and the snake-eyed skink. In other words, the technique worked. It represents a new way of tracking animal biodiversity and alerting us when we should intervene to conserve native species.
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One of the world’s most isolated aquatic mammals, Arctocephalus philippii, can tolerate high levels of cadmium, as well as other metallic pollutants, without suffering ill effects. A. philippii is the second smallest species of fur seal and lives only on the Juan Fernández archipelago and one or two nearby islands in the Pacific Ocean, hundreds of miles off the coast of Chile. By the 19th century, the species had disappeared and was believed to be extinct until, in the 1960s, a small colony was found in a cave on the island. Since then, the Juan Fernández seal, which has become a protected species, has slowly recovered and has a population of around 80,000. “We collected samples of their faeces and found they contained extremely high levels of cadmium and other elements such as mercury,” said Constanza Toro-Valdivieso of Cambridge University’s conservation research institute. “The discovery was very surprising,” she said. “Cadmium is poisonous to mammals but somehow these seals were processing it and passing it through their digestive systems and seem to be suffering little harm in the process.” High levels were found not only in its faeces but in the bones of seals that had died of natural causes. The researchers also found high levels of silicon in their bones, which may be offsetting the impact of cadmium, they suggest. “The discovery that these animals appear to tolerate high levels of cadmium in their bodies has important medical implications,” said Toro-Valdivieso. “These animals have a lot to tell us.”
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When Stephen Buchmann finds a wayward bee on a window inside his Tucson, Arizona, home, he goes to great lengths to capture and release it unharmed. This March, Buchmann released a book that unpacks just how varied and powerful a bee’s mind really is. The book, What a Bee Knows: Exploring the Thoughts, Memories and Personalities of Bees, draws from his own research and dozens of other studies to paint a remarkable picture of bee behavior and psychology. It argues that bees can demonstrate sophisticated emotions resembling optimism, frustration, playfulness and fear, traits more commonly associated with mammals. Experiments have shown bees can experience PTSD-like symptoms, recognize different human faces, process long-term memories while sleeping, and maybe even dream. Approximately one-third of the American diet, including many fruits, vegetables and nuts, relies on bees for pollination. In the past, bee research has focused on their role in crop pollination, but the work being pioneered by Buchmann and his contemporaries could force an ethical reckoning with how the animals are treated. Can large-scale agriculture and scientific research continue without causing bees to suffer, and is the dominant western culture even capable of accepting that the tiniest of creatures have feelings, too? Buchmann hopes an ethical shift will happen as details about the emotional lives of invertebrates – especially bees – are shared with the public.
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Next time you’re irritated that ants have gotten into your kitchen, you might take a moment to consider their extraordinary powers of perception. These tiny animals can detect markers of illness, such as cancer. In fact, ants are just one of many creatures whose senses can register signs of human disease: dogs, rats, bees, and even tiny worms can as well. The silky ant, Formica fusca, a common species found throughout Europe, can be taught to identify the scent of breast cancer in urine. Research from the University Sorbonne Paris Nord in France published this year in Proceedings of the Royal Society B shows ants can learn to distinguish between the scent of urine derived from mice carrying human breast cancer tumors from that of healthy mice. Ants and other animals pick up signs of disease by perceiving various volatile organic compounds, or VOCs. These chemicals are produced in a variety of ways and can be found in exhaled breath, and in sweat, urine, and blood. Diseases can change the VOCs we emit, resulting in giving off a different odor. By placing a sugar reward near the cancer sample the ants learned to seek out that scent, a process called operant conditioning. Dogs can be trained to smell several types of cancers, including melanoma, breast and gastrointestinal cancers and some infectious diseases in humans, including malaria and Parkinson’s disease. They can also smell infectious disease in other animals, including chronic wasting disease, which affects the brains of deer and can be fatal.
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Ants can be more effective than pesticides at helping farmers produce food, according to new research. They are better at killing pests, reducing plant damage and increasing crop yields, according to the first systematic review of ants’ contributions to crop production. Ants are generalist predators and hunt pests that damage fruits, seeds and leaves, leading to a drop in crop yields. A greater diversity of ants generally provides more protection against a wider range of pests, the study found. The analysis looked at 17 crops, including citrus, mango, apple and soya bean in countries including the US, Australia, the UK and Brazil. “In general, with proper management, ants can be useful pest controls and increase crop yield over time. Some ant species have similar or higher efficacy than pesticides, at lower costs,” researchers wrote in the paper published in Proceedings of Royal Society B. There are more ants than any other insect, making up half of the planet’s insect biomass. There are at least 14,000 known species of ant, with many more likely to remain unknown. Citrus growers in China have used ants in farming for centuries, and the insects have also been used to help control forest pests in Canada, cocoa pests in Ghana and crop pests in Nigeria. Dr Patrick Milligan, from the University of Nevada Pringle Lab ... said the findings were “both heartening and not at all surprising”. He added: “They offer a neat and tidy description of ant-derived benefits that are ubiquitous across ecological and agricultural systems.
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A plump larva the length of a paper clip can survive on the material that makes Styrofoam. The organism, commonly called a “superworm,” could transform the way waste managers dispose of one of the most common components in landfills, researchers said, potentially slowing a mounting garbage crisis that is exacerbating climate change. In a paper released last week in the journal of Microbial Genomics, scientists from the University of Queensland in Brisbane, Australia, showed that the larvae of a darkling beetle, called zophobas morio, can survive solely on polystyrene, commonly called Styrofoam. The findings come amid a flurry of research on ways bacteria and other organisms can consume plastic materials, like Styrofoam and drinking bottles. Now, the researchers will study the enzymes that allow the superworm to digest Styrofoam, as they look to find a way to transform the finding into a commercial product. Industrial adoption offers a tantalizing scenario for waste managers: A natural way to dispose and recycle the Styrofoam trash that accounts for as much as 30 percent of landfill space worldwide. Among plastics, Styrofoam is particularly troublesome. The material is dense and takes up a lot of space, making it expensive to store at waste management facilities, industry experts said. The cups, plates and other materials made from it are also often contaminated with food and drink, making it hard to recycle. Polystyrene fills landfills, where it can often take 500 years to break down.
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For the past couple of years, I’ve been working with researchers in northern Greece who are farming metal. They are experimenting with a trio of shrubs known to scientists as “hyperaccumulators”: plants which have evolved the capacity to thrive in naturally metal-rich soils that are toxic to most other kinds of life. They do this by drawing the metal out of the ground and storing it in their leaves and stems, where it can be harvested like any other crop. As well as providing a source for rare metals – in this case nickel, although hyperaccumulators have been found for zinc, aluminium, cadmium and many other metals, including gold – these plants actively benefit the earth by remediating the soil, making it suitable for growing other crops, and by sequestering carbon in their roots. Hyperaccumulators are far from being the only non-humans that we might learn from. Physarum polycephalum, a particularly lively slime mould, can solve the “travelling salesman” problem – a test for finding the shortest route between multiple cities – faster and more efficiently than any supercomputer humans have devised. Spiders store information in their webs, using them as a kind of extended cognition: a mind outside the body entirely. A new conception of intelligence is emerging from scientific research: rather than human intelligence being unique or the peak of some graduated curve, there appear to be many different kinds of intelligence with their own strengths, competencies and suitabilities.
Note: This was written by James Bridle, an artist and technologist who was able to paralyze a self-driving car using salt and road markers. For more on his work, check out his fascinating perspective on how artificial intelligence technologies could be designed based on cooperation and relationships naturally reflected in living systems, as opposed to competition and domination.
We all talk to our dogs, whether it's calling their name, playing fetch or teaching them new tricks. But do they actually understand the words we're saying? Well according to a new study, they do! The research has found that dogs can recognise an average of 89 words or phrases. The study asked 165 owners of different dog breeds to note down words that they thought their dogs responded to. The results showed the most common words the pooches understood were commands like sit, stay and wait. The research was carried out by Catherine Reeve and Sophie Jacques, from the Department of Psychology & Neuroscience, Dalhousie University, in Canada. During the study, dog owners were asked to say if they thought their pup responded to the words or commands they were giving. The owners then had to record if their pet got excited, looked for something, looked up or did an action in response to a command. The research found that 89 words was the average number that the dogs could understand - one clever canine is believed to have understood 215 words in total - but the worst performing pooch knew only 15. Nearly all of the dogs that took part in the study reacted to their own name and many gave a response when being praised. The researchers said: "Those of us who have owned dogs would not be surprised to see most dogs respond with an enthusiastic tail wagging or a treat-seeking response on hearing, good girl/good boy."
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People seem to love nothing more than anthropomorphizing our non-human counterparts in nature. These videos might make us giggle, but what about the creatures that star in them, can they laugh? The answer, according to a new paper studying animals at play, may be yes—to the tune of some 65 species that researchers pegged as “laughing” during bouts of playful activity, reports Mindy Weisberger for Live Science. “This work lays out nicely how a phenomenon once thought to be particularly human turns out to be closely tied to behavior shared with species separated from humans by tens of millions of years,” says Greg Bryant, a cognitive scientist at the University of California, Los Angeles and co-author of the study. Most of the 65 species identified by the study, which was published last month in the journal Bioacoustics, were mammals, such as primates, foxes, killer whales and seals, but three bird species also made the list. For animals, the researchers suggest, a laughing noise may help signal that roughhousing, or other behavior that might seem threatening, is all in good fun. “[Some actions] could be interpreted as aggression. The vocalization kind of helps to signal during that interaction that 'I'm not actually going to bite you in the neck. This is just going to be a mock bite,'” [said] Sarah Winkler ... the paper’s lead author. “It helps the interaction not escalate into real aggression.” Many of the animal laughs identified by the study sound nothing like a human chuckle. For example, Rocky Mountain elk emit a kind of squeal.
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Animals are to be formally recognised as sentient beings in UK law for the first time, in a victory for animal welfare campaigners, as the government set out a suite of animal welfare measures including halting most live animal exports and banning the import of hunting trophies. The reforms will be introduced through a series of bills, including an animal sentience bill, and will cover farm animals and pets in the UK, and include protections for animals abroad, through bans on ivory and shark fins, and a potential ban on foie gras. Some of the measures – including microchipping cats and stopping people keeping primates as pets – have been several years in preparation, and others – such as the restriction of live animal exports – have been the subject of decades-long campaigns. George Eustice, the environment secretary, said: “We are a nation of animal lovers and were the first country in the world to pass animal welfare laws. Our action plan for animal welfare will deliver on our manifesto commitment to ban the export of live animal exports for slaughter and fattening, prohibit keeping primates as pets, and bring in new laws to tackle puppy smuggling.”
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Genius" dogs learn new words after hearing them just four times, a study has found - making them as quick as three year olds. Dogs which have a special talent for remembering verbal cues can rapidly expand their vocabulary simply by playing with their owners, according to the research. Whisky, a four-year-old female Border Collie from Norway, and Vicky Nina, a nine-year-old female Yorkshire terrier from Brazil, were able to fetch the correct toy after being exposed to the object and its name just four times, despite not receiving any formal training. Scientists say these highly intuitive dogs are therefore able to learn new words at the same speed as toddlers aged two and three. To test whether most dogs would be as successful as Whisky and Vicky Nina at learning new words, 20 others were tested in the same way - but none showed any evidence of understanding the new toy names. This confirms that only very few dogs which are especially gifted are able to learn words quickly in the absence of formal training, the scientists concluded. However, the study did reveal that Whisky and Vicky Nina's memory of the new toy names decayed over time due to them only hearing the names a few times.
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A beluga whale has been filmed passing a rugby ball back and forth with crew on a passing boat. The whale was filmed approaching the South African Gemini Craft boat in the Arctic Ocean near the North Pole. A member of the boat's crew threw a rugby ball out the to the whale. The animal grabbed the ball in its mouth before swimming back to the boat. The video has been viewed more than one million times since it was uploaded to Facebook and the footage has spread like wildfire across numerous sites such as Reddit. A number of amazed people have left comments in disbelief of the beluga whale's skills. 'I can't believe what I'm seeing,' one person said. Another one commented: 'How many people can say they've played fetch with a beluga?' The Gemini Crew had earlier been sailing near the Norwegian town of Hammer fest, which recently gained media attention about a possible Russian spy whale swimming in its waters. Russia is understood to have moved a pod of beluga whales to a secret Arctic base before one of the sea creatures reportedly swam to Norway. A beluga was found wearing a harness marked 'equipment of St Petersburg' around the area in April. The sea creature, which had the harness for a camera, was hanging around the port performing tricks for locals in return for food, with many residents joking he had 'defected'. Russia has dismissed claims its 'spy whale' was caught snooping on the fishing vessels of a NATO country.
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How giant African rats are helping uncover deadly land mines in Cambodia
September 10, 2019, PBS
https://www.pbs.org/newshour/show/how-giant-african-rats-are-helping-uncover...
From Angola to the former Yugoslavia, land mines are a lethal legacy of wars over long ago. Cambodia is among the most affected countries, with millions of buried explosives that kill and maim people each year. Now, an organization is deploying an unexpected ally to find mines: the giant pouch rat, whose sharp sense of smell can detect explosives. Mark Shukuru is head rat trainer in Cambodia for the Belgian non-profit APOPO. He is from Tanzania, where this species is also native, and he learned early that they have some of the most sensitive noses in the animal kingdom. Each comes out of a rigorous program in Tanzania that trains them to distinguish explosives from other scents. Each time they sniff out TNT buried in this test field, a trainer uses a clicker to make a distinct sound, and they get a treat. Since 2016, APOPO's hero rats have found roughly 500 anti-personnel mines and more than 350 unexploded bombs in Cambodia. They're the second animal to be deployed in mine clearance. Dogs were first. Animals can work much faster than humans, although, when the land is densely mined, metal detectors are considered more efficient. APOPO plans to bring in some 40 more rats to expand the force and replace retirees. Each animal works about eight years, and then lives out the rest of its days alongside fellow heroes, all working toward the day when they can broadcast to the world that Cambodia has destroyed the last unexploded bomb.
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A professional diver has revealed how she uses a little known technique to placate sharks so she can remove hooks from their mouths. Italian-born Cristina Zenato, 47, who is known as 'the shark dancer' is often filmed on the ocean floor with 8ft sharks playing around her and nestling into her knees. The conservationist, who lives on Grand Bahama, has perfected the technique of relaxing the sharks, which is part of her efforts to save them by removing hooks that are caught in their fins. She induces the 'tonic' state in the shark using a little-known technique of rubbing the ampullae of Lorenzini - the name given to hundreds of jelly-filled pores around the animal's nose and mouth. A 'tonic' state is where a shark enters a natural state of paralysis, often by being turned upside down, for up to 15 minutes. The pores act as electroreceptors detecting prey moving in the electromagnetic field around the shark - but also for some reason rubbing them turns 'Jaws' into a sleeping baby. This gives Cristina the time she needs to remove the hooks. 'The first time I put a shark to sleep was my second dive with them,' Cristina [said]. 'This big female swam straight into my lap. The most amazing thing was this 8ft shark just swimming into me and resting her head on me. 'I started crying into my mask because it was so amazing, so unique.' Over the years Cristina has collected more than 200 hooks that have been caught in sharks, and has built up so much trust she's been able to put her whole arm into a shark's mouth to pull out a hook.
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Dogs have such exquisitely sensitive noses that they can detect bombs, drugs, citrus and other contraband in luggage or pockets. Is it possible that they can sniff out even malaria? And when might that be useful? A small pilot study has shown that dogs can accurately identify socks worn overnight by children infected with malaria parasites even when the children had cases so mild that they were not feverish. In itself, such canine prowess is not surprising. Since 2004, dogs have shown that they can detect bladder cancer in urine samples, lung cancer in breath samples and ovarian cancer in blood samples. Trained dogs now warn owners with diabetes when their blood sugar has dropped dangerously low and owners with epilepsy when they are on the verge of a seizure. Other dogs are being taught to detect Parkinsons disease years before symptoms appear. The new study ... does not mean that dogs will replace laboratories. But for sorting through crowds, malaria-sniffing dogs could potentially be very useful. Some countries and regions that have eliminated the disease share heavily trafficked borders with others that have not. For example, South Africa, Sri Lanka and the island of Zanzibar have no cases but get streams of visitors from Mozambique, India and mainland Tanzania. And when a region is close to eliminating malaria, dogs could sweep through villages, nosing out silent carriers people who are not ill but have parasites in their blood that mosquitoes could pass on to others.
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Koko, the gorilla who mastered sign language and showed the world what great apes can do, has died. She died Tuesday in her sleep at age 46. "Koko touched the lives of millions as an ambassador for all gorillas and an icon for interspecies communication and empathy," the [The Gorilla Foundation] said. The western lowland gorilla was born at the San Francisco Zoo in 1971 and began to learn sign language early in life. Researchers moved her to Stanford in 1974 and established The Gorilla Foundation, a non-profit organization that works to preserve and protect gorillas. Koko and The Gorilla Foundation later moved to the Santa Cruz Mountains. She liked to read and be read to. She purred at parts of books she particularly enjoyed. She was very maternal toward kittens, and has had several throughout her lifetime. Her "tenderness" showed people how loving a gorilla can be, the foundation said. Koko made famous friends like Fred Rogers, who appeared on TV as Mr. Rogers, and Robin Williams. She used her sign language skills to communicate with them. She was said to have understood some 2,000 words of spoken English, and could usually keep up with conversations. Koko appeared in several documentaries and twice on the cover of National Geographic. The first cover featured a photo she'd taken of herself in a mirror. The foundation will continue its work on conservation and preservation of gorillas with continued projects, including a sign language application featuring Koko.
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Every month, a new cycle of training begins with yet another class of veterans in a program run by the northern Florida K9s for Warriors. The seven-year-old nonprofit is one of dozens of private organizations that offer psychiatric service dogs to address the military's mental health crisis. The numbers are startling on veteran suicides, and this is working, said Rory Diamond, a former federal prosecutor who quit to become chief executive of K9s for Warriors. A recent [Purdue University] study ... used standard questionnaires to assess PTSD symptoms and other aspects of mental health among 141 K9s for Warriors applicants, half teamed with a service dog and half on a wait list. Those with dogs showed significantly lower levels of post-traumatic stress, depression and social isolation, with higher levels of psychological well-being. Dogs have provided services to humans for millennia, often as hunting and herding partners. But not until World War I were they systematically trained to assist people with disabilities, as guides for the blind. Service dogs now prompt deaf people when a doorbell rings, retrieve pills for people in wheelchairs and alert people with diabetes to blood sugar spikes. Psychiatric service dogs [blend the missions of] of task-oriented service canines and animals seen as providing emotional support. While the dogs paired with veterans with PTSD are commonly trained to wake them from nightmares ... advocates also laud their ability to soothe a panicking vet and provide companionship.
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